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Explain me 10 common heart diseases with ecg changes and ecg images of those diseases

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ECG electrocardiogram myocardial infarction ST elevation

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ECG atrial fibrillation electrocardiogram

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ECG heart block complete third degree atrioventricular

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ECG ventricular tachycardia wide complex tachycardia

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ECG hypertrophic cardiomyopathy left ventricular hypertrophy

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ECG pericarditis saddle shaped ST elevation diffuse

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ECG Wolff Parkinson White syndrome delta wave pre-excitation

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ECG dilated cardiomyopathy left bundle branch block

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ECG pulmonary embolism right heart strain S1Q3T3 pattern

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ECG hyperkalemia peaked T waves sine wave

Here's a summary of what was covered across the 10 diseases:
Diseases covered with ECG changes and images:
  1. STEMI — Convex ST elevation by territory (anterior, inferolateral), hyperacute T waves, reciprocal changes, Q waves
  2. Atrial Fibrillation — Absent P waves, irregularly irregular RR intervals, fibrillatory baseline
  3. Complete (3rd Degree) AV Block — Total AV dissociation, slow ventricular escape, P waves independent of QRS
  4. Ventricular Tachycardia — Wide complex tachycardia, AV dissociation, concordance, fusion/capture beats
  5. Hypertrophic Cardiomyopathy — LVH voltage, strain pattern, giant T inversions (apical variant / Yamaguchi)
  6. Acute Pericarditis — Diffuse saddle-shaped ST elevation, PR depression, Spodick's sign, 4 evolutionary stages
  7. WPW Syndrome — Short PR, delta wave, widened QRS, pseudo-infarct patterns
  8. Dilated Cardiomyopathy — LBBB, poor R-wave progression, fragmented QRS, AF
  9. Pulmonary Embolism — S1Q3T3, sinus tachycardia, RV strain (T inversions V1–V4), RBBB
  10. Hyperkalemia — Progressive changes from peaked T waves → PR prolongation → QRS widening → sine wave → VF
Each section includes real ECG images from peer-reviewed medical literature with annotated descriptions of the diagnostic features.
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